SLAG REMOVAL DEVICE
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Sep 10, 2013
filing date -
Sep 20, 2012
priority date (Note) -
Abandoned
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Abstract
Provided is a slag removal device for a blow pipe, that reduces the risk of pipe breakage, etc., and is capable of achieving easy and reliable slag removal using a simple device configuration. The slag removal device comprises a blow pipe (30) that injects auxiliary fuel pulverized coal, together with hot air, from a tuyere (22) for a blast furnace main body (20) that produces pig iron from iron ore. The slag removal device for a blow pipe including a component that melts on to the pulverized coal slag as a result of the hot air and/or the combustion heat of the pulverized coal comprises a fluid jet nozzle (80) that sprays fluid towards a slag adhesion area inside the blow pipe (30).
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